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BaseRepresentation
bin10000101001001011
310110111212
4100221023
54140141
61243335
7402515
oct205113
9113455
1068171
1147244
123354b
132504c
141abb5
15152eb
hex10a4b

68171 has 2 divisors, whose sum is σ = 68172. Its totient is φ = 68170.

The previous prime is 68161. The next prime is 68207. The reversal of 68171 is 17186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68171 - 214 = 51787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (68111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34085 + 34086.

It is an arithmetic number, because the mean of its divisors is an integer number (34086).

268171 is an apocalyptic number.

68171 is a deficient number, since it is larger than the sum of its proper divisors (1).

68171 is an equidigital number, since it uses as much as digits as its factorization.

68171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 68171 is about 261.0957678707. The cubic root of 68171 is about 40.8507362535.

It can be divided in two parts, 68 and 171, that multiplied together give a triangular number (11628 = T152).

The spelling of 68171 in words is "sixty-eight thousand, one hundred seventy-one".